1100-150 York Street
Toronto ON M5H 3S5

416 593 5514

Litigation Star



Practice areas:

Intellectual property

Gunars A. Gaikis has over 30 years of experience in IP law and is experienced in the procurement, litigation and enforcement of pharmaceutical and biotechnology patent rights and strategic advising. Gunars has appeared as lead counsel in many precedent setting IP cases before the Ontario, Federal and Supreme Courts, including the June 30, 2017 Supreme Court of Canada decision in AstraZeneca v. Apotex, which struck down the “promise of the patent” utility doctrine. 


Gunars is recognized as one of the world’s foremost experts in Who’s Who Legal: Thought Leaders. He is listed in the 2020 inaugural issue of IAM Global Leaders and was named Best Lawyers’ 2017 Toronto Biotechnology Law Lawyer of the Year. He is recognized amongst the top 30 patent attorneys in the world by Expert Guides: Best of the Best and listed in the Lexpert® Guide to the Leading US/Canadian Cross-Border Litigation Lawyers in Canada, The Canadian Legal Lexpert® Directory, Chambers Global, The Best Lawyers in Canada, Benchmark Canada, LMG Life Sciences, Expert Guides: Guide to the World’s Leading Patent Law Practitioners, Who’s Who Legal: Life Sciences and Patents, MIP’s IP Stars Handbook: Patents and IAM Patent 1000.


He is a Canada Licensed pharmacist and registered Patent and Trademark Agent.


J.D. (Osgoode Hall), Called to the Ontario Bar in 1983.


Last updated Feb 2020